William McLeod Rivera. (2003). Agricultural extension, rural development and the food security challenge. Rome, Italy: FAO.
Παραπομπή Chicago StyleWilliam McLeod Rivera. Agricultural Extension, Rural Development and the Food Security Challenge. Rome, Italy: FAO, 2003.
Παραπομπή MLAWilliam McLeod Rivera. Agricultural Extension, Rural Development and the Food Security Challenge. Rome, Italy: FAO, 2003.
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